package cn.tedu.dbinit;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.support.EncodedResource;
import org.springframework.jdbc.datasource.init.ScriptUtils;

import javax.annotation.PostConstruct;
import javax.sql.DataSource;
import java.io.IOException;
import java.sql.SQLException;

@SpringBootApplication
public class DbInitApplication {

    public static void main(String[] args) {

        SpringApplication.run(DbInitApplication.class, args);
    }
    @Autowired
    private DataSource dataSource;

    /*
     spring-的执行流程
     包扫描创建所有的实例--依赖注入--@PostConstruct
    */
    @PostConstruct
    public void init() throws IOException, InterruptedException, SQLException {
        exec("sql/account.sql");
        exec("sql/order.sql");
        exec("sql/seata-server.sql");
        exec("sql/storage.sql");
    }
    private void exec(String sql) throws SQLException {

        ClassPathResource cpr = new ClassPathResource(
                sql, DbInitApplication.class.getClassLoader());
        //
        EncodedResource resource = new EncodedResource(cpr, "UTF-8");
        ScriptUtils.executeSqlScript(
                dataSource.getConnection(),resource
        );
    }

}
